silica中文什么意思

n.
【矿物】硅石，二氧化硅。

• acid silica:    酸性硅石
• acticvated silica:    活性硅胶
• activated silica:    活性二氧化硅; 活性硅土

例句与用法

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1. The crude oil is chromatographed over silica gel .
   粗制油状物用硅胶进行色谱分离。
2. Beneficiation removes clay and silica to considerable extent .
   富集操作除去粘土和硅石达到相当高的程度。
3. The oxidation rates are fastest in freshly cleaned silica vessels .
   在新清洗的二氧化硅容器中，氧化速度是最快的。
4. When silica is heated until fluid and then cooled, it forms a glass .
   把氧化硅加热至流动，然后冷却，它就形成一种玻璃。
5. The free hydroxyl ion is involved in a further reaction with the silica network .
   游离的氢氧离子会进一步和硅氧网络反应。

英文释义

名词

1. a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth''s crust as quartz or cristobalite or tridymite or lechatelierite
   同义词：silicon oxide, silicon dioxide